;(function($){

var oSelectBoard = $( '#select_board' );
var oSelectCategory = $( '#select_category' );

oSelectBoard.change(function() {
	var value = $(this).find("> :selected").val();
	
	oSelectCategory.empty();
	var opt = $( '<option selected>--선택--</option>' )
	oSelectCategory.append( opt );
	for (var i = 0; i < category[value].length; i++) {
		var opt = $( '<option value="' + category[value][i][0] + '">' + category[value][i][1] + '</option>' )
		oSelectCategory.append( opt );
	}

});



})(jQuery);